Laboratory experiments.

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What are the 2 groups used in laboratory experiments and how are they treated differently?
The experimental group - exposed to a variable that may have an effect. Control group - not exposed to the independent variable.
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What are 6 practical issues with laboratory experiments?
Aren't suitable for studying open systems with multiple factors. Individuals are complex. Can't be used to study the past. Small samples. The Hawthorne effect. The expectancy effect.
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What is the Hawthorn effect
When subjects know they are being experimented on and so act slightly differently.
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What are 2 ethical issues?
Informed consent - sometimes explaining the aim, which needs to be done, can ruin the experiment. Harm to subjects - some argue minor harm can be done if the outcome is good.
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What are 4 theoretical issues?
They are reliable and good at hypothesis testing. They aren't representative. Lack internal validity. They ignore free will.
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What 3 reasons do positivists argue laboratory experiments are reliable?
The conditions are controlled. It produces quantitative data. It's a detached and objective method.
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Card 2

Front

Aren't suitable for studying open systems with multiple factors. Individuals are complex. Can't be used to study the past. Small samples. The Hawthorne effect. The expectancy effect.

Back

What are 6 practical issues with laboratory experiments?

Card 3

Front

When subjects know they are being experimented on and so act slightly differently.

Back

Preview of the back of card 3

Card 4

Front

Informed consent - sometimes explaining the aim, which needs to be done, can ruin the experiment. Harm to subjects - some argue minor harm can be done if the outcome is good.

Back

Preview of the back of card 4

Card 5

Front

They are reliable and good at hypothesis testing. They aren't representative. Lack internal validity. They ignore free will.

Back

Preview of the back of card 5
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